diff --git a/lib/tasks/tfxy.rake b/lib/tasks/tfxy.rake
index f55f0b924..2ab352541 100644
--- a/lib/tasks/tfxy.rake
+++ b/lib/tasks/tfxy.rake
@@ -94,7 +94,7 @@ namespace :tfxy do
     2.upto(course_data_last_row) do |r|
       course_group = CourseGroup.find_or_initialize_by(invite_code: course_data.cell(r, 3))
 
-      teach_user = OpenUsers::Cas.find_by(uid: course_data.cell(r, 5))&.user
+      teach_user = OpenUsers::Cas.find_by(uid: course_data.cell(r, 4))&.user
 
       if !course_group.persisted?
         course = Course.find_or_initialize_by(school_id: school.id, name: course_data.cell(r, 2)) do |d|